iSumsoft » Guides » RAR Password Refixer User Guide

RAR Password Refixer User Guide

User Guide - The Easy Way to Recover Lost RAR Password.

RAR is a proprietary archive file format that supports data compression, error recovery and file spanning. It is convenient for saving and transmission. People always set passwords on RAR archive files to send to others. Is this troublesome while you forgetting or losing the password to open the RAR archives? The answer is no if you know how to use iSumsoft RAR Password Refixer to recover the encrypted RAR files. Follow iSumsoft and study how to recover lost/forgotten RAR password.

Video Guide:

What do you need?
Software: iSumsoft RAR Password Refixer
OS Support: Windows NT4/ 2000/ XP/ 2003/ Vista/ 2008/ 2012/ 2016, Windows 7/ 8/ 10.
Hardware Requirements: 100 MB or more; 256 MB or above.

1 Add file

Download and install RAR Password Refixer, launch this app. Click on the “Open” button and import the RAR archive you want to recover password for.

open rar file

Select the password protected RAR archive file.

select rar file

2 Attack Type Selection and Recovery

Select one of the 4 password attack types (Brute-force Attack, Mask Attack, Dictionary Attack and Smart Attack) and make the attack settings if needed. Then press the “Start” and wait for the recovering for a few seconds.

select attack



A few seconds later, a dialog box will pop up to inform you of the successful recovery. Then you can click the “Copy” button and paste the password to open your lost/forgotten password RAR document.


3Password Attack and Settings Instruction

Brute-Force Attack: This attack will try all possible password combinations to recover lost RAR password. Best if you know nothing about the lost/forgotten password. You can just click the “Start” button if using this type of attack.

Mask Arrack: Better using this type to recover your forgotten RAR passwords if you can remember your password partially. If you choose Mask Attack, you should offer some password symbols which you can remember. A Password Mask must be defined to use Mask Attack. And it will reduce password recovery time.

mask attack

Dictionary Attack: Recover lost RAR password by trying the password combinations in the built-in dictionary. You can also create your own dictionary using various languages. Best if you use regular words or phrases for password. The picture below is the instruction of dictionary attack.

dictionary attack

Simply select the desired dictionary file. In addition, you can select an option "Smart mutations" or "Try all possible upper/lower case combinations".

settings for dictionary attack

Smart Attack: It will try all possible characters combinations include all printable characters to recover RAR password automatically and smartly.

4Other Setting

Range: Setting the range options you can be sure about the lost/forgotten password of the encrypted RAR file will shorten the recovery time and increase attack success rate.

password range options

Length: The minimum and maximum possible length for the password can be set as your will.

password length options

Auto-save: Automatically save the process if you enable this option and resume the process when you run the program next time. It makes you more convenient to recover your lost/forgotten password of RAR document.